| Countries of Europe by Population | 0 | - | 4.98 | 182,499 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,083 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,803 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,453 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,723 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,760 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,977 |
| Random European Capital to Country | 0 | - | 4.98 | 191,908 |
| Random European Country to Capital | 0 | - | 4.93 | 165,714 |
| Europe Capital to Country | 0 | - | 4.99 | 251,726 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,738 |
| European Capitals by Map | 0 | - | 4.99 | 141,645 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,702 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,037 |
| European Coastal Capitals | 0 | - | 4.95 | 91,150 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,418 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,798 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,830 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,037 |
| Official Cities in the UK | 0 | - | 4.89 | 285,699 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,447 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,922 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,489 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,617 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,133 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,423 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,231 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,763 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,643 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,365 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,475 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,112 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,982 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,770 |
| Countries with Megacities | 0 | - | 4.99 | 266,334 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,486 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,893 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,781 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,004 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,119 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,749 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,912 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,314 |
| Random African Capital to Country | 0 | - | 4.97 | 101,188 |
| Random African Country to Capital | 0 | - | 4.95 | 71,641 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,325 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,197 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,747 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,507 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,796 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,077 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,447 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,526 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,479 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,496 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,774 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,717 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,973 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,265 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,313 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,608 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,127 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,004 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,785 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,509 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,278 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,575 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,102 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,239 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,039 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,057 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,609 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,835 |
| Name a City - European Countries | 0 | - | 4.90 | 66,000 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,496 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,616 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,271 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,083 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,399 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,778 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,096 |
| Cities in European History #1 | 0 | - | 4.63 | 134,489 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,102 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,227 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,982 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,358 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,844 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,144 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,507 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,629 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,755 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,125 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,419 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,462 |
| Largest City by Island | 0 | - | 4.87 | 72,323 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,341 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,543 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,027 |
| Megacities on a World Map | 0 | - | 4.98 | 256,412 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,162 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,684 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,518 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,713 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,863 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,891 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,483 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,626 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,764 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,437 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,112 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,450 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,788 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,647 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,297 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,856 |
| Asia Capital to Country | 0 | - | 4.96 | 127,255 |
| African Capitals by Map | 0 | - | 4.99 | 141,711 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,728 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,006 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,086 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,674 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,135 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,498 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,747 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,868 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,450 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,857 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,956 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,360 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,050 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,422 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,136 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,180 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,681 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,081 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,287 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,820 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,734 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,029 |
| Most Populous Islands | 0 | - | 4.80 | 123,228 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,361 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,614 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,945 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,917 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,427 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,722 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,646 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,571 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,801 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,899 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,458 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,450 |
| Capitals of the Stans | 0 | - | 4.95 | 27,080 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,735 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,957 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,258 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,920 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,065 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,519 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,019 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,881 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,693 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,365 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,501 |
| Boroughs of London | 0 | - | 4.63 | 88,425 |
| London Geography | 0 | - | 4.47 | 59,822 |
| UK Immigration by Country | 0 | - | 4.94 | 141,514 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,206 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,647 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,929 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,372 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,734 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,520 |
| Boundary Waters | 0 | - | 4.92 | 88,708 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,362 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,553 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,149 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,840 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,034 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,296 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,989 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,621 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,118 |
| Biggest City by Region | 0 | - | 4.50 | 36,356 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,289 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,354 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,896 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,860 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,103 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,283 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,423 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,495 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,163 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,320 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,493 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,330 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,927 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,790 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,535 |
